wil70

[python-package] How do I use lgb.Dataset() with lgb.Predict() without using pandas df or np array?

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## Description I'm trying optura and flaml. I'm able to train (lgb.train) models with optura with csv and bin files as input for training and validation dataset. This is great...

[CLI, c++] lib_lightgbm dll crashes while loading a 2GB model

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## Description lib_lightgbm.dll works great for models up to 1.8GB. When loading a model above 1.8GB then lightgbm or a c++ program that uses that dll crashes. I cc a...

[CLI, GPU, Win x64] LightGBM GPU doesn't work for 100K+ features --> Met Exceptions: Invalid Kernel Arguments

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## Description Hello, I followed the instructions to compile LightGBM with GPU for Windows (x64), and I was able to compile and run the code. TY! Unfortunatly I encountered the...

[CLI, c/c++] Question about save_binary, train and improving performance for huge dataset

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Hello I have a few questions about save_binary from "task = save_binary" I have huge csv files. It takes days to convert them to bin files, I would love to...

Hello, I'm currently attempting to generate C# code from a LightGBM model that I possess. I've followed these steps: ``` import lightgbm as lgb from pathlib import Path booster =...

LightGBM + Flaml/AutoML

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Hello I'm using the distributed socket version via command line, it works well. I got some roadblock with MPI but anyway socket works well.. **Question:** Is there a way to...

[cpp, cli] How do I get the Prediction Probability Score from the c++ api (and CLI)

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## Summary Hello, How can I compute the class probability score from the scores predictions? Thanks for your help Wil ## Motivation I need to know if the selected class...

Empty CSV file in some conditions

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Hello, Great addon - TY! I found an issue, I downloaded one day (for example 2023-10-10) of "ES 12-23" from NT  I can see in the Replay data being...

[Feature] Add statistics to the plot from a dataset, its labels and predictions

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## Summary Add statistics to the plot from a dataset, its labels and predictions ## Motivation lgb.create_tree_digraph and plot_tree are really great to visualize the tree, but without the statistics...

[Bug?] [CLI] Inconsistent Results When Resuming Training from a Saved Model

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## Description Hello, I have the same resuts if I start 2 times the same training on my big dataset (a bin file). I have different results if I start...